#ifndef __ULTRASONIC_H__
#define __ULTRASONIC_H__

#include <STC15F2K60S2.H>
#include "intrins.h"

sbit TX = P1^0;  //发射引脚
sbit RX = P1^1;  //接收引脚

extern unsigned char Ultrasonic_Time_Flag;	//200ms置1


float Ultrasonic_Ranging(void);


////void Buzzer_Alarm(void);


#endif